The Houston area is running out of telephone numbers and will soon add a fifth area code to accommodate its growing population. According to the Public Utility Commission of Texas, Houston's four ...

HOUSTON, Texas (KTRK) -- Houston, if you were just getting used to the 713 area code, we have news for you. New phone lines will soon start getting a 621 number. The Public Utility Commission of Texas ...

HOUSTON, Texas (KTRK) -- We're celebrating 713 Day! It's a nod to Houston's first area code, but now the greater metro area has four. As the population continues to grow, people could be dialing an ...

HOUSTON – Does Houston need a new area code? Apparently so, according to the Public Utility Commission of Texas. PUCT is accepting public comments on a petition by the North American Number Planning ...

Sunday is July 13, which is also known as 713 Day here in Houston. It's a day to celebrate all things that are Houston. The day is named after the city's oldest area code, and here's a little history.